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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Canada Scope Weather Desk. Data from Environment and Climate Change Canada and other national met services via Open-Meteo.
Check the live forecast above for today’s conditions in Chilliwack; the Fraser Valley’s microclimate often brings cooler mornings and warmer afternoons, so dressing in layers is a practical choice for any outing.
What makes Chilliwack’s weather different from nearby cities?
Chilliwack sits in the eastern Fraser Valley, where the Coast Mountains funnel Pacific moisture and trap cooler air. This location means the area receives more rain than Vancouver but less than Hope. The valley’s topography also creates frequent morning fog in autumn and winter, which can lift by midday. For the most accurate planning, the Vancouver weather page offers regional context, though Chilliwack’s own hourly conditions – including the weather network chilliwack hourly data – are best read from the live forecast above.
How far ahead can you trust a Chilliwack forecast?
Short-term outlooks (1–3 days) are reliable for daily decisions, such as checking weather in chilliwack tomorrow. Medium-range forecasts, like the chilliwack weather 14 day or weather in chilliwack 10 days, show general trends but can shift due to mountain-influenced systems. The chilliwack weather 21 day forecast and chilliwack weather 30 days are useful only for pattern awareness, not precise planning. For real-time updates, the live forecast above and the weather network chilliwack hourly feed are your best tools.
Is it often foggy in Chilliwack?
Yes, especially from October through February. The valley’s cool, moist air settles overnight, producing dense fog that can reduce visibility to under 200 metres. It usually clears by late morning as temperatures rise.
When is the best time to visit Chilliwack for outdoor activities?
Late spring (May–June) and early autumn (September–October) offer mild temperatures and lower rainfall. Summer can be hot, with highs above 30 °C, while winter is cool and wet – ideal for indoor attractions but less so for hiking.
Does Chilliwack get snow every winter?
Not every year. Snowfall is sporadic – typically 2–5 events per winter, with accumulations usually under 15 cm. The Fraser Valley’s marine influence often turns snow to rain within a day. For current alerts, see the weather warning page.